Mayo Clinic 網頁上說stressing bones can increase density. 我認真看了這

段話不限定在某個年齡段。是我理解有誤嗎？

By stressing your bones, strength training can increase bone density and reduce the risk of osteoporosis. Manage your weight. Strength training can help you manage or lose weight, and it can increase your metabolism to help you burn more calories.

https://www.mayoclinic.org › fitness